Extensible support assembly for overbed table

Details Extensible support assembly for overbed table Extensible support assembly for overbed table

1978-08-14

1980-04-01

McCall, James T.

Horizontally supported planar surfaces

Vertically adjustable

108146, 248412, A47B 900, F16M 1124

Patent

active

041955781

ABSTRACT:
Extensible support assembly for a table such as an overbed table to interconnect the top table portion and bottom stand portion thereof to change the table height, including a pair of axially overlapping upper and lower vertical support members arranged for relative axial movement therebetween, and a releasable unidirectional jamming mechanism interposed between the members having an inclined wedge surface on the upper member in opposed relation to a substantially axially extending contact surface on the lower member and forming a jamming wedge zone with the contact surface, a movable jamming roller element disposed in the jamming wedge zone, and a movable release element disposed operatively adjacent to the jamming element,

REFERENCES:
patent: 3194187 (1965-07-01), Linder et al.
patent: 3286663 (1966-11-01), Mann et al.
patent: 3715997 (1973-02-01), Barth
patent: 3887155 (1975-06-01), Bertalot
patent: 3905311 (1975-09-01), Carpentier

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